Fix: rename profile to google-default and add env fallback

Dockerfile

@@ -35,13 +35,13 @@ mkdir -p /root/.openclaw/credentials\n\
 # Always overwrite to ensure latest keys/config\n\
 echo "Generating auth-profiles.json..."\n\
 \n\
-# Construct the JSON content with correct structure\n\
-JSON_CONTENT="{\n\
-\"auth\": {\n\
-  \"profiles\": {\n\
-    \"gemini-default\": {\n\
-      \"provider\": \"google\",\n\
-      \"apiKey\": \"${GEMINI_API_KEY_1}\",\n"\n\
+  # Construct the JSON content with correct structure\n\
+  JSON_CONTENT="{\n\
+  \"auth\": {\n\
+    \"profiles\": {\n\
+      \"google-default\": {\n\
+        \"provider\": \"google\",\n\
+        \"apiKey\": \"${GEMINI_API_KEY_1}\",\n"\n\
 \n\
   if [ -n "$OPENCLAW_GEMINI_BASE_URL" ]; then\n\
     JSON_CONTENT="${JSON_CONTENT}        \"baseUrl\": \"${OPENCLAW_GEMINI_BASE_URL}\",\n"\n\
@@ -59,6 +59,9 @@ JSON_CONTENT="{\n\
 if [ ! -f /root/.openclaw/openclaw.json ]; then\n\
   cat > /root/.openclaw/openclaw.json << EOF\n\
 {\n\
+  "env": {\n\
+    "GOOGLE_API_KEY": "${GEMINI_API_KEY_1}"\n\
+  },\n\
   "gateway": {\n\
     "mode": "local",\n\
     "bind": "lan",\n\